CN214217282U - Dust removal cleaning device - Google Patents
Dust removal cleaning device Download PDFInfo
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- CN214217282U CN214217282U CN202120139632.1U CN202120139632U CN214217282U CN 214217282 U CN214217282 U CN 214217282U CN 202120139632 U CN202120139632 U CN 202120139632U CN 214217282 U CN214217282 U CN 214217282U
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Abstract
The utility model provides a dust removal cleaning device, including the sprinkler mechanism that is used for spraying the atomized liquid to the belt surface, a clean roller mechanism for cleaning the belt dust, a scrape dirt mechanism for striking off the dust on cleaning roller mechanism, a dust collection box for collecting the dust, and be used for driving sprinkler mechanism and clean the duplex crank pendulum rod mechanism of roller mechanism action, duplex crank pendulum rod mechanism symmetric distribution is in sprinkler mechanism's both sides, duplex crank pendulum rod mechanism is including the first crank that connects gradually, first connecting rod and second connecting rod, sprinkler mechanism is connected with first connecting rod, it is connected with sprinkler mechanism through the second connecting rod to clean roller mechanism, the dust collection box sets up in sprinkler mechanism and the below of cleaning roller mechanism, it sets up in the dust collection box to scrape dirt mechanism. The utility model discloses can realize the clearance and the recovery of return stroke belt surface dust, the motion is steady, low in production cost is applicable to all kinds of rubber belt conveyor's transportation operation, but stores and handles the wide application in the bulk cargo.
Description
Technical Field
The utility model belongs to the technical field of belt conveyor equipment, especially, relate to a dust removal cleaning device.
Background
The belt conveyor is an important transportation tool in the steel industry and the mine industry, however, dust in transportation causes pollution to the environment and also brings occupational disease harm to the bodies of enterprise staff. Dust accumulation under the belt needs to be cleaned regularly by personnel, and the workers can cause pneumoconiosis after being exposed to a high-concentration dust environment for a long time, so that the pneumoconiosis is the most serious occupational hazard factor in the process flow of a steel plant. With the increase of labor cost and the increase of production scale of enterprises, dust falling on the ground of a factory or the roof of a factory building is also economic loss.
At present, the dust removal in the belt transportation is mainly unloaded the raise dust of putting the low production to the material from the eminence and is retrieved, but belt surface can the adhesion mineral products dust granule in the belt transportation, and when the return stroke, the adnexed dust granule of belt surface can scatter on mounting platform, needs the manual work to clear up the recovery, nevertheless hardly clears up the narrow region in space, causes the dust to fly upward, influences workman operational environment.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims at providing a dust removal cleaning device for solve the difficult problem of retrieving of difficult clearance of conveyer return stroke belt surface dust, belt surface blanking among the prior art.
In order to achieve the above and other related objects, the present invention provides a dust-removing cleaning device, which comprises a spraying mechanism for spraying atomized liquid onto the surface of a return belt, a cleaning roller mechanism for cleaning dust on the belt, a dust-scraping mechanism for scraping off dust on the cleaning roller mechanism, a dust-collecting box for collecting dust, and a duplex crank-rocker mechanism for driving the spraying mechanism and the cleaning roller mechanism, the duplex crank oscillating bar mechanisms are symmetrically distributed at two sides of the spraying mechanism and comprise a first crank, a first connecting rod and a second connecting rod which are connected in sequence, the spraying mechanism is connected with the first connecting rod, the cleaning roller mechanism is connected with the spraying mechanism through a second connecting rod, the dust collection box is arranged below the spraying mechanism and the cleaning roller mechanism, and the dust scraping mechanism is arranged in the dust collection box.
And the spraying mechanism is arranged on the base, and the spraying mechanism is connected with the base through a hose.
Furthermore, one end of the first crank is provided with a connecting hole, the other end of the first crank is fixedly connected with a first screw rod and is connected with the front end of the first connecting rod through the first screw rod, and a first sleeve is arranged between the first crank and the first connecting rod; the tail end of the first connecting rod is connected with a second connecting rod through a double-end stud, and a second sleeve is arranged between the second connecting rod and the first connecting rod.
Furthermore, the spraying mechanism comprises a swing rod, a swing shaft, a hollow pipe and a cylinder, wherein the swing rod is symmetrically arranged at two ends of the swing shaft, one end of the swing rod is connected with the first connecting rod and the second connecting rod simultaneously, the other end of the swing rod is fixedly connected with the swing shaft, the hollow pipe and the cylinder are coaxial, the swing shaft is rotatably arranged in the hollow pipe, and the hollow pipe is fixedly arranged in the cylinder.
Further, set up a spacing groove of setting for the angle on the pipe wall of hollow tube, install first baffle along the axial on the oscillating axle, and first baffle is located the spacing inslot, symmetric distribution installs the second baffle in the both sides of first baffle on the hollow tube, the hollow tube links firmly with the drum through the second baffle, the air cushion cover has been laid in the second baffle of first baffle and both sides, forms two confined cavities, the oscillating axle can make first baffle reciprocal swings between the second baffle of both sides.
Furthermore, the swing angle of the swing shaft is 25-35 degrees, and the set angle of the limit groove is 5-10 degrees larger than the swing angle of the swing shaft.
Furthermore, a plurality of rows of round holes which are arranged in a staggered mode are formed in the two sides of the outer wall of the cylinder along the axial direction, the round holes are located in the swing range of the swing shaft, and water mist spray heads are installed in the round holes.
Further, it includes second screw rod, second crank, pivot and brush to clean roller mechanism, second screw rod and second crank symmetry set up in the both ends of pivot, the articulate one end of second links firmly with the pivot, and the other end links firmly with the second screw rod to through the second screw rod with the second connecting rod is connected, the pivot is the step shaft, the brush equipartition in the pivot.
Further, the dust scraping mechanism comprises a fixed plate and a scraper, the fixed plate is mounted on the inner wall of the dust collection box, the scraper is mounted on the fixed plate, and the scraper is in contact with the hairbrush.
Further, the dust removal cleaning device further comprises a platform, support frames, a transmission roller, a belt and a driving motor, wherein the dust collection box penetrates through the platform, the support frames are symmetrically arranged on the platform and located on two sides of the belt, the transmission roller is arranged between the two support frames, the belt is wound on the transmission roller, the transmission roller is driven by the driving motor to rotate, and two ends of the transmission roller are connected with the first crank.
As described above, the utility model discloses a dust removal cleaning device has following beneficial effect:
utilize the high-speed extrusion atomizing of liquid of pair crank pendulum rod mechanism in with the spraying mechanism, spray on the sealing-tape machine surface of operation, and then gather the dust and fall into the dust collection box, the part adsorbs the dust on the belt and sweeps into the dust collection box through cleaning roller mechanism, the dust that is stained with in the cleaning roller mechanism and covers scrapes into the dust collection box through scraping dirt mechanism, realize the clearance and the recovery of return stroke belt surface dust, the device motion is steady, low in production cost, high recovery efficiency, can satisfy the requirement of enterprise to green, be applicable to the transportation operation of all kinds of rubber belt conveyor, but store and handle field wide application at the bulk cargo.
Drawings
Fig. 1 is a schematic structural diagram of a rear end region of the present invention;
fig. 2 is a first schematic structural diagram of the front end region of the present invention;
fig. 3 is a schematic structural diagram of the front end region of the present invention;
fig. 4 is a schematic structural view of a spraying mechanism in the present invention;
fig. 5 is a schematic structural view of the middle cleaning roller mechanism of the present invention.
Description of the reference numerals
10-double crank oscillating bar mechanism; 11-a first crank; 12-a first sleeve; 13-a first screw; 14-a first link; 15-a stud; 16-a second sleeve; 17-a second link;
20-a spraying mechanism; 21-a swing rod; 22-a swing axis; 23-a cylinder; 24-water mist spray heads; 25-hollow tube; 26-a first separator; 27-a second separator; 28-air cushion cover; 29-a first nut;
30-cleaning roller mechanism; 31-a second screw; 32-a second nut; 33-a second crank; 34-a rotating shaft; 35-a brush;
40-a dust scraping mechanism; 41-fixing plate; 42-a scraper;
50-a dust collection box;
60-a liquid storage tank; 61-a hose; 62-a hose;
71-a platform; 72-a support frame; 73-a driving roller; 74-Belt.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a dust removing and cleaning device, which comprises a spraying mechanism 20 for spraying atomized liquid onto the surface of a return belt, a cleaning roller mechanism 30 for cleaning dust on the belt, a dust scraping mechanism 40 for scraping dust on the cleaning roller mechanism 30, the dust collection box 50 is used for collecting dust, and the duplex crank oscillating bar mechanism 10 is used for driving the spraying mechanism 20 and the cleaning roller mechanism 30 to act, the duplex crank oscillating bar mechanism 10 is symmetrically distributed on two sides of the spraying mechanism 20, the duplex crank oscillating bar mechanism 10 comprises a first crank 11, a first connecting rod 14 and a second connecting rod 17 which are sequentially connected, the spraying mechanism 20 is connected with the first connecting rod 14, the cleaning roller mechanism 30 is connected with the spraying mechanism 20 through the second connecting rod 17, the dust collection box 50 is arranged below the spraying mechanism 20 and the cleaning roller mechanism 30, and the dust scraping mechanism 40 is arranged in the dust collection box 50.
Liquid in the spraying mechanism 20 is extruded and atomized at high speed through the duplex crank oscillating bar mechanism 10 and is sprayed on the surface of a return belt of the belt conveyor to gather dust so that the dust falls into the dust collection box 50; part of dust adsorbed on the belt is swept into the dust collection box 50 through the sweeping roller mechanism 30, and dust stained on the sweeping roller mechanism 30 is scraped into the dust collection box 50 through the dust scraping mechanism 40, so that the efficient cleaning of the dust on the surface of the belt conveyor is realized. The dust collected by the dust collection box 50 can enter the production flow again, and the material loss is avoided.
One end of the first crank 11 is provided with a connecting hole, the other end of the first crank is fixedly connected with a first screw 13 and is connected with the front end of a first connecting rod 14 through the first screw 13, and a first sleeve 12 is arranged between the first crank 11 and the first connecting rod 14; the tail end of the first connecting rod 14 is connected with a second connecting rod 17 through a stud 15, and a second sleeve 16 is arranged between the second connecting rod 17 and the first connecting rod 14. Specifically, the first crank 11 is connected with the front end of a first connecting rod 14 through a first screw 13, and the first connecting rod 14 is arranged outside the first crank 11; the tail end of the first connecting rod 14 is connected with the second connecting rod 17 and the spraying mechanism 20 through the stud 15, the spraying mechanism 20 is connected with the cleaning roller mechanism 30 through the second connecting rod 17, the second connecting rod 17 is arranged on the inner side of the first connecting rod 14, and the spraying mechanism 20 can be prevented from interfering and colliding with a belt through the arrangement of the first sleeve 12 and the second sleeve 16.
In addition, referring to fig. 2, the dust removing and cleaning device further includes a platform 71, support frames 72, a driving roller 73, a belt 74 and a driving motor (not shown), the dust box 50 passes through the platform 71, the support frames 72 are symmetrically installed on the platform 71 and located at two sides of the belt 74, the driving roller 73 is installed between the two support frames 72, the belt 74 is wound on the driving roller 73, the driving roller 73 is driven by the driving motor to rotate, and two ends of the driving roller 73 are connected to the first crank 11. Specifically, a power source is provided by a driving motor to drive the transmission roller 73 to rotate, and the first crank 11 is fixedly connected with the end of the transmission roller 73 through a connecting hole on the first crank 11, so that the first crank 11 moves along with the transmission roller 73, and the dual crank oscillating bar mechanism 10 moves to realize the operation of the spraying mechanism 20, the cleaning roller mechanism 30 and the dust scraping mechanism 40.
Referring to fig. 4, the spraying mechanism 20 includes a swing rod 21, a swing shaft 22, a hollow tube 25 and a cylinder 23, the swing rod 21 is symmetrically disposed at two ends of the swing shaft 22, one end of the swing rod 21 is connected to the first connecting rod 14 and the second connecting rod 17, the other end of the swing rod 21 is fixedly connected to the swing shaft 22, the hollow tube 25 and the cylinder 23 are coaxial, the swing shaft 22 is rotatably disposed in the hollow tube 25, and the hollow tube 25 is fixedly disposed in the cylinder 23. Specifically, one end of the swing rod 21 is provided with a mounting hole and is connected with the first connecting rod 14 and the second connecting rod 17 through the stud 15; the other end of the swing link 21 is fixed to the swing shaft 22 and locked by a first nut 29. The first crank 11 drives the first connecting rod 14 to swing, and further drives the swing rod 21 to swing through the stud 15 connected to the first connecting rod 14, and the swing rod 21 drives the swing shaft 22 to swing, so that the spraying mechanism 20 can swing repeatedly within a certain range.
A limiting groove with a set angle is formed right above the tube wall of the hollow tube 25, and a first partition plate 26 is axially installed on the oscillating shaft 22, in this embodiment, the first partition plate 26 is welded on the oscillating shaft 22. First baffle 26 is located the spacing inslot, and second baffle 27 is installed in the both sides of first baffle 26 to symmetric distribution on the hollow tube 25, and second baffle 27 is located the edge of spacing groove, and hollow tube 25 links firmly with drum 23 through second baffle 27, and first baffle 26 has laid the air cushion cover 28 with the second baffle 27 of both sides in, forms two confined cavities, and oscillating axle 22 can make first baffle 26 reciprocal swings between the second baffle 27 of both sides. This structure facilitates the first partition plate 26 and the second partition plate 27 on both sides to be moved close to or away from each other when the swing shaft 22 reciprocates the shaft, thereby pressing the air packing 28 to atomize the liquid during the high-speed reciprocating pressing. Preferably, in order to ensure that the liquid sprayed from the spraying mechanism 20 effectively acts on the adhesive tape, the swing angle of the swing shaft 22 is 25 to 35 degrees, and the set angle of the limiting groove is 5 to 10 degrees larger than the swing angle of the swing shaft 22.
In order to supply the liquid for spraying to the spraying mechanism 20, a liquid storage tank 60 is further provided on one side of the spraying mechanism 20, and the liquid storage tank 60 is connected to the spraying mechanism 20 through a hose 61/62. Specifically, the liquid storage tank 60 is used for storing chemical agglomeration solution for spraying, and the solution has high agglomeration property and can reduce the consumption of liquid. The interior chamber of the barrel 23 is connected to the reservoir 60 by a hose 61/62 for directing fluid from the reservoir 60 into the chamber. Since two chambers are provided, the hose 61 and the hose 62 are correspondingly provided, leading to the two chambers, respectively.
The two sides of the outer wall of the cylinder 23 are axially provided with a plurality of rows of round holes which are arranged in a staggered manner, and the round holes are arranged in the swing range of the swing shaft 22 and provided with water mist spray heads 24. With the structure, the liquid in the two cavities can be conveniently sprayed out from the corresponding water mist spray heads 24, in the embodiment, two rows of round holes which are arranged in a staggered mode are respectively arranged on two sides of the cylinder 23.
Referring to fig. 5, the cleaning roller mechanism 30 includes a second screw 31, a second crank 33, a rotating shaft 34 and a brush 35, the second screw 31 and the second crank 33 are symmetrically disposed at two ends of the rotating shaft 34, one end of the second crank 33 is fixedly connected to the rotating shaft 34, and the other end is fixedly connected to the second screw 31 and connected to the second connecting rod 17 through the second screw 31. In this embodiment, the second crank 33 is disposed inside the second link 17, connected to the second link 17 by the second screw 31, and locked by the second nut 32. The rotating shaft 34 is a stepped shaft, and the hairbrushes 35 are uniformly distributed on the rotating shaft 34, so that the weight of the rotating shaft 34 is conveniently reduced, and meanwhile, the number of accessories such as sleeves and the like used in installation is reduced. When the first connecting rod 14 swings, the second connecting rod 17 is driven to swing through the connected stud 15, and then the rotating shaft 34 is driven to rotate through the second screw 31 connected to the second connecting rod 17, so that the cleaning roller mechanism 30 continuously rotates along one direction, and dust on the surface of the return belt is cleaned through the brush 35 on the rotating shaft 34.
The dust scraping mechanism 40 includes a fixing plate 41 and a scraper 42, the fixing plate 41 is mounted on the inner wall of the dust box 50, the scraper 42 is mounted on the fixing plate 41, and the scraper 42 is in contact with the brush 35. With this structure, it is convenient to scrape the dust adhered to the brush 35 into the dust box 50 by the scraper 42, thereby collecting the dust on the brush 35.
During specific operation, the transmission roller 73 rotates under the action of the driving motor, so that the driving belt 74 circularly operates, the transmission roller 73 simultaneously drives the first crank 11 to rotate, the first crank 11 drives the first connecting rod 14 to swing, and the stud 15 connected with the first connecting rod 14 drives the swing shaft 22 to swing, so that the spraying mechanism 20 repeatedly swings within a certain range; meanwhile, the stud 15 drives the second connecting rod 17 to swing, and then the second screw 31 connected with the second connecting rod 17 drives the rotating shaft 34 to rotate, so that the cleaning roller mechanism 30 continuously rotates, and dust adhered to the brush 35 is scraped into the dust box 50 through the scraper 42.
In addition, the dust removal cleaning device is provided with a control box to control and monitor electrical elements.
To sum up, in the embodiment of the utility model provides a pair of dust removal cleaning device, utilize the high-speed extrusion atomizing of liquid in the duplex crank pendulum rod mechanism will spray the mechanism, the injection is on the sealing-tape machine surface of operation, and then gather the dust and fall into the dust collection box, the dust that the part adsorbs on the belt sweeps into the dust collection box through cleaning roller mechanism, the dust that is stained with in the cleaning roller mechanism and covers scrapes into the dust collection box through scraping the dust mechanism, realize clearance and the recovery of return stroke belt surface dust, the device motion is steady, low in production cost, high recovery efficiency, can satisfy the requirement of enterprise to green, be applicable to the transportation operation of various rubber belt conveyor, but store and handle the field wide application in the bulk cargo.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a dust removal cleaning device which characterized in that: including the sprinkling mechanism that is used for spraying the atomized liquid to return belt surface, be used for cleaning the belt dust clean roller mechanism, be used for striking off the dust mechanism of scraping that cleans the roller mechanism and go up the dust, be used for collecting the dust collection box of dust and be used for driving sprinkling mechanism and cleaning the duplex crank pendulum rod mechanism of roller mechanism action, duplex crank pendulum rod mechanism symmetric distribution is in sprinkling mechanism's both sides, duplex crank pendulum rod mechanism is including the first crank, first connecting rod and the second connecting rod that connect gradually, sprinkling mechanism with first connecting rod is connected, clean roller mechanism pass through the second connecting rod with sprinkling mechanism connects, the dust collection box set up in sprinkling mechanism and the below of cleaning the roller mechanism, scrape the dust mechanism set up in the dust collection box.
2. The dust removal cleaning device according to claim 1, wherein: the spraying mechanism is arranged on the base, and the spraying mechanism is arranged on the base and is connected with the spraying mechanism through a hose.
3. The dust removal cleaning device according to claim 1, wherein: one end of the first crank is provided with a connecting hole, the other end of the first crank is fixedly connected with a first screw rod and is connected with the front end of a first connecting rod through the first screw rod, and a first sleeve is arranged between the first crank and the first connecting rod; the tail end of the first connecting rod is connected with a second connecting rod through a double-end stud, and a second sleeve is arranged between the second connecting rod and the first connecting rod.
4. The dust removal cleaning device according to claim 1, wherein: the spraying mechanism comprises a swing rod, a swing shaft, a hollow pipe and a cylinder, wherein the swing rod is symmetrically arranged at two ends of the swing shaft, one end of the swing rod is connected with the first connecting rod and the second connecting rod, the other end of the swing rod is fixedly connected with the swing shaft, the hollow pipe and the cylinder are coaxial, the swing shaft is rotatably arranged in the hollow pipe, and the hollow pipe is fixedly arranged in the cylinder.
5. The dust removal cleaning device according to claim 4, wherein: offer a spacing groove of settlement angle on the pipe wall of hollow tube, install first baffle along the axial on the oscillating axle, and first baffle is located the spacing inslot, the second baffle is installed in the both sides of first baffle to symmetric distribution on the hollow tube, the hollow tube links firmly with the drum through the second baffle, the air cushion cover has been laid in the second baffle of first baffle and both sides, forms two confined cavities, the oscillating axle can make first baffle reciprocal swings between the second baffle of both sides.
6. The dust removal cleaning apparatus according to claim 5, wherein: the swing angle of the swing shaft is 25-35 degrees, and the set angle of the limiting groove is 5-10 degrees larger than the swing angle of the swing shaft.
7. The dust removal cleaning apparatus according to claim 5, wherein: the water mist sprayer is characterized in that multiple rows of round holes which are distributed in a staggered mode are formed in two sides of the outer wall of the cylinder along the axial direction, the round holes are located in the swing range of the swing shaft, and water mist sprayers are installed in the round holes.
8. The dust removal cleaning device according to claim 1, wherein: cleaning roller mechanism includes second screw rod, second crank, pivot and brush, second screw rod and second crank symmetry set up in the both ends of pivot, the articulate one end of second links firmly with the pivot, and the other end links firmly with the second screw rod to through the second screw rod with the second connecting rod is connected, the pivot is the step shaft, the brush equipartition in the pivot.
9. The dust removal cleaning apparatus according to claim 8, wherein: the dust scraping mechanism comprises a fixed plate and a scraper, the fixed plate is installed on the inner wall of the dust collection box, the scraper is installed on the fixed plate, and the scraper is in contact with the hairbrush.
10. The dust removal cleaning device according to claim 1, wherein: the dust removal cleaning device further comprises a platform, support frames, a transmission roller, a belt and a driving motor, wherein the dust collection box penetrates through the platform, the support frames are symmetrically arranged on the platform and located on two sides of the belt, the transmission roller is arranged between the two support frames, the belt is wound on the transmission roller, the transmission roller is driven by the driving motor to rotate, and two ends of the transmission roller are connected with the first crank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120139632.1U CN214217282U (en) | 2021-01-19 | 2021-01-19 | Dust removal cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120139632.1U CN214217282U (en) | 2021-01-19 | 2021-01-19 | Dust removal cleaning device |
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| Publication Number | Publication Date |
|---|---|
| CN214217282U true CN214217282U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120139632.1U Active CN214217282U (en) | 2021-01-19 | 2021-01-19 | Dust removal cleaning device |
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| CN (1) | CN214217282U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114476588A (en) * | 2022-03-01 | 2022-05-13 | 大力电工襄阳股份有限公司 | Belt round brush scraper blade cleaning device |
| CN115818128A (en) * | 2023-02-07 | 2023-03-21 | 河南能源化工集团鹤壁煤化工有限公司 | Sealing device for coal conveying trestle of gas film coal shed and using method |
-
2021
- 2021-01-19 CN CN202120139632.1U patent/CN214217282U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114476588A (en) * | 2022-03-01 | 2022-05-13 | 大力电工襄阳股份有限公司 | Belt round brush scraper blade cleaning device |
| CN114476588B (en) * | 2022-03-01 | 2023-12-19 | 大力电工襄阳股份有限公司 | Belt round brush scraper blade cleaning device |
| CN115818128A (en) * | 2023-02-07 | 2023-03-21 | 河南能源化工集团鹤壁煤化工有限公司 | Sealing device for coal conveying trestle of gas film coal shed and using method |
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